Theory of continental drift

• Alfred wegener


  German meteorologist who proposed this theory in 1912
• Pangaea


  Supercontinent

  Began to break apart 200 million years ago
• Evidence


  Fossils in Africa and south america

  Positions of mountain ranges

  Glacial striations

  Tillites: rock debris by glacier
• The theory was declined because wegener couldn't explain the mechanism behind the movement

  But was accepted in 1960 because of the support of plate tectonics
• Pangaea


  Existed during the Paleozoic and mesozoic era

  Broke down to Laurasia in the north and Gondwanaland in the south